22445661733640 has 64 divisors (see below), whose sum is σ = 53185611528000. Its totient is φ = 8501751048960.

The previous prime is 22445661733633. The next prime is 22445661733661. The reversal of 22445661733640 is 4633716654422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5270030 + ... + 8524349.

It is an arithmetic number, because the mean of its divisors is an integer number (831025180125).

Almost surely, 2^{22445661733640} is an apocalyptic number.

22445661733640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22445661733640 is an abundant number, since it is smaller than the sum of its proper divisors (30739949794360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22445661733640 is a wasteful number, since it uses less digits than its factorization.

22445661733640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796550 (or 13796546 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 22445661733640 in words is "twenty-two trillion, four hundred forty-five billion, six hundred sixty-one million, seven hundred thirty-three thousand, six hundred forty".